Protocol HFC
Compact Rack System
Product Details
Key Features:
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Reduced Refrigerant Charge: Uses up to 80% less refrigerant than traditional centralized rack systems.
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Lower Leak Risk: Fewer line runs and braze joints for reduced maintenance and environmental impact.
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High-Efficiency Performance: Multiplexed scroll and vapor-injected compressors ensure stable, energy-saving operation.
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Flexible Configuration: Indoor or outdoor placement, air- or water-cooled condensing, and modular scalability.
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Simplified Installation & Service: Factory-assembled, pre-wired, and pre-tested for faster startup and easier maintenance.
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Compact, Quiet Design: Engineered for low sound output and minimal footprint — ideal for rooftop or mechanical room placement.
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Sustainability-Ready: Compatible with low-GWP refrigerants such as R-448A, R-449A, R-454A, and R-454C.
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Reliable Performance Across Applications: Suitable for supermarkets, convenience stores, walk-ins, and specialty retail spaces.

Model ID |
Location |
Cooling Type |
Capacity |
Compressors |
||
| Low Temp | Medium Temp | |||||
Indoor |
Vertical | Indoor | Air-Cooled | Up to 228 MBH | Up to 418 MBH | 2-6 |
| Horizontal | Indoor | Air-Cooled | Up to 306 MBH | Up to 558 MBH | 2-8 | |
| OLP | Outdoor | Air-Cooled | Up to 228 MBH | Up to 418 MBH | 2-6 | |
| SPI | Indoor | Water-Cooled | Up to 111 MBH | Up to 209 MBH | 2-3 | |
| SPO | Outdoor | Water-Cooled | Up to 111 MBH | Up to 209 MBH | 2-3 | |